A sand pool filter is usually cheaper to buy and run than cartridge models, so it’s no surprise they’re popular. However, it’s not all about the money, so we’ve been looking at whether this is truly ...

Mineral coatings on sand particles actually encourage microbial activity in the rapid sand filters that are used to treat groundwater for drinking, according to a paper. These findings resoundingly ...

A backyard pool is a great way to relax alone or socialize with friends and family, but they do require some work to keep them clean. Whether you have an in- or above-ground pool, a reliable and ...

The studied waterworks follows a treatment chain consisting of aeration and two sequential filtration steps. The aerated water flows downward through a first RSF, designed to remove ferrous iron, and ...

The application of sand filters in micro-irrigation systems remains a cornerstone of modern water management and conservation. These systems utilise granular media to remove suspended solids and ...

Sustainable, biological filters called slow sand filters have been used to filter drinking water since the 1800s. They don't use any chemicals, create no waste and use very little energy. New research ...

Kids should play in sand, not breathe it in. Wisconsin’s New Auburn school district is upgrading air filters to prevent sand fragments from floating in from nearby frac-sand mines and getting into ...